NCERT solution Class 11 relations and functions

NCERT Solutions

Class 11 Maths

Relations and Functions

NCERT Questions

Ex.2.1 Q,1
Ex.2.1 Q.2
Ex.2.1 Q.3
Ex.2.1 Q.4
Ex.2.1 Q.5
Ex.2.1 Q.6
Ex.2.1 Q.7
Ex.2.1 Q.8
Ex.2.1 Q.9
Ex.2.1 Q.10
Ex.2.2 Q.1
Ex.2.2 Q.2
Ex.2.2 Q.3
Ex.2.2 Q.4
Ex.2.2 Q.5
Ex.2.2 Q.6
Ex.2.2 Q.7
Ex.2.2 Q.8
Ex.2.2 Q.9
Ex.2.3 Q.1
Ex.2.3 Q.2
Ex.2.3 Q.3
Ex.2.3 Q.4
Ex.2.3 Q.5
Ex.Misc.Q.1
Ex.Misc.Q.2
Ex.Misc.Q.3
Ex.Misc.Q.4
Ex.Misc.Q.5
Ex.Misc.Q.6
Ex.Misc.Q.7
Ex.Misc.Q.8
Ex.Misc.Q.9
Ex.Misc.Q.10
Ex.Misc.Q.11
Ex.Misc.Q.12

Ex.2.2 Q.1

Let A = {1, 2, 3...,14}. Define a relation R from A to A by R = {(x, y): 3x – y = 0, where x, y ∈ A}.

Write down its domain, co-domain and range.

The relation R from A to A is given as R = {(x, y): 3x – y = 0, where x, y ∈ A}

i.e., R = {(x, y): 3x = y, where x, y ∈ A}

So, R = {(1, 3), (2, 6), (3, 9), (4, 12)}

The domain of R is the set of all first elements of the ordered pairs in the relation.

So, Domain of R = {1, 2, 3, 4}

The whole set A is the co-domain of the relation R.

So, Co-domain of R = A = {1, 2, 3... 14}

The range of R is the set of all second elements of the ordered pairs in the relation.

Hence, Range of R = {3, 6, 9, 12}

Video solution:

Relations and Functions Class 11 Maths NCERT Chapter 2 NCERT Solutions

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NCERT solutions of Relations and Functions Class 11 Maths - all questions of all exercises are solved. Q. No. 1, 2, 3, and so on. Complete explanation and detailed solution makes them the best videos for Class 11 Maths Relations and Functions NCERT solutions.